Home / 318,260,492,441.28-439,197,245,310.48-173,744,622,129.60

Finding the Fourth Proportional to 318,260,492,441.28, 439,197,245,310.48 and 173,744,622,129.60

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Solution

The fourth proportional to 318,260,492,441.28, 439,197,245,310.48 and 173,744,622,129.60 is: 239,766,358,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,260,492,441.28 : 439,197,245,310.48 = 173,744,622,129.60 : x
  2. Step 2: Convert to fraction form
    318,260,492,441.28/439,197,245,310.48 = 173,744,622,129.60/x
  3. Step 3: Cross multiply
    318,260,492,441.28x = 439,197,245,310.48 × 173,744,622,129.60
  4. Step 4: Simplify right side
    318,260,492,441.28x = 76,308,159,426,830,576,648,192
  5. Step 5: Solve for x
    x = 76,308,159,426,830,576,648,192/318,260,492,441.28
  6. Step 6: Final answer
    x = 239,766,358,813.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.